Home / 784,878.60-1,176,108.30-584,257.80

Finding the Fourth Proportional to 784,878.60, 1,176,108.30 and 584,257.80

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Solution

The fourth proportional to 784,878.60, 1,176,108.30 and 584,257.80 is: 875,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,878.60 : 1,176,108.30 = 584,257.80 : x
  2. Step 2: Convert to fraction form
    784,878.60/1,176,108.30 = 584,257.80/x
  3. Step 3: Cross multiply
    784,878.60x = 1,176,108.30 × 584,257.80
  4. Step 4: Simplify right side
    784,878.60x = 687,150,447,919.74
  5. Step 5: Solve for x
    x = 687,150,447,919.74/784,878.60
  6. Step 6: Final answer
    x = 875,486.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.